1004311421233 has 4 divisors (see below), whose sum is σ = 1004628341860. Its totient is φ = 1003994500608.

The previous prime is 1004311421219. The next prime is 1004311421257. The reversal of 1004311421233 is 3321241134001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 301475668624 + 702835752609 = 549068^2 + 838353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004311421233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1004311421198 and 1004311421207.

It is not an unprimeable number, because it can be changed into a prime (1004311421833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158455560 + ... + 158461897.

It is an arithmetic number, because the mean of its divisors is an integer number (251157085465).

Almost surely, 2^{1004311421233} is an apocalyptic number.

It is an amenable number.

1004311421233 is a deficient number, since it is larger than the sum of its proper divisors (316920627).

1004311421233 is an equidigital number, since it uses as much as digits as its factorization.

1004311421233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316920626.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1004311421233 its reverse (3321241134001), we get a palindrome (4325552555234).

The spelling of 1004311421233 in words is "one trillion, four billion, three hundred eleven million, four hundred twenty-one thousand, two hundred thirty-three".